<template>
	<view class="content">
		<view class="navbar" :style="{position:headerPosition,top:headerTop}">
			<view class="nav-item" :class="{current: filterIndex === 0}" @click="tabClick(0)">
				综合排序
			</view>
			<view class="nav-item" :class="{current: filterIndex === 1}" @click="tabClick(1)">
				销量优先
			</view>
			<view class="nav-item" :class="{current: filterIndex === 2}" @click="tabClick(2)">
				<text>价格</text>
				<view class="p-box">
					<text :class="{active: priceOrder === 1 && filterIndex === 2}" class="yticon icon-shang"></text>
					<text :class="{active: priceOrder === 2 && filterIndex === 2}" class="yticon icon-shang xia"></text>
				</view>
			</view>
			<text class="cate-item yticon icon-fenlei1" @click="toggleCateMask('show')"></text>
		</view>
<!--		<view class="goods-list">
			<view 
				v-for="(item, index) in goodsList" :key="index"
				class="goods-item"
				@click="navToDetailPage(item)"
			>
				<view class="image-wrapper">
					<image :src="'http://58.42.239.163:8888/res/images/item/productSinglePicture/'+item.productImageList[0].productImageSrc" mode="aspectFill"></image>
				</view>
				<text class="title clamp">{{item.productName}}</text>
				<view class="price-box">
					<text class="price">{{item.productSalePrice}}</text>
					<text>已售 {{item.count}}</text>
				</view>
			</view>
		</view>-->
    <view class="goods-list">
      <view
        v-for="(item, index) in goodsList" :key="index"
        class="goods-item"
        @click="navToDetailPage(item)"
      >
        <view class="image-wrapper" >
          {{images.img}}
          <image :src="item.imageList[0].img" mode="aspectFill"></image>

        </view>
        <text class="title clamp">{{item.name}}</text>
        <view class="price-box">
          <text class="price">{{item.price}}</text>
          <text>库存 {{item.stock}}</text>
        </view>
      </view>
    </view>
		<uni-load-more :status="loadingType"></uni-load-more>
		
		<view class="cate-mask" :class="cateMaskState===0 ? 'none' : cateMaskState===1 ? 'show' : ''" @click="toggleCateMask">
			<view class="cate-content" @click.stop.prevent="stopPrevent" @touchmove.stop.prevent="stopPrevent">
				<scroll-view scroll-y class="cate-list">
					<view v-for="item in list" :key="item.categoryId">
						<view @click="changeCate(item)" class="cate-item b-b two">{{item. categoryName}}</view>
						
					</view>
				</scroll-view>
			</view>
		</view>
		
	</view>
</template>

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	export default {
		components: {
			uniLoadMore	
		},
		data() {
			return {
				cateMaskState: 0, //分类面板展开状态
				headerPosition:"fixed",
				headerTop:"0px",
				loadingType: 'nomore', //加载更多状态
				filterIndex: 0, 
				cateId: 0, //已选三级分类id
				priceOrder: 1, //1 价格从低到高 2价格从高到低
				list: [],//产品分类列表
				goodsList: {},//产品列表
        images:[]
			};
		},

		onLoad(options){

			// #ifdef H5
			this.headerTop = document.getElementsByTagName('uni-page-head')[0].offsetHeight+'px';
			// #endif
			this.cateId = 2;
			this.loadCateList(options.fid,options.sid);
			this.loadData();
		},
		onPageScroll(e){
			//兼容iOS端下拉时顶部漂移
			if(e.scrollTop>=0){
				this.headerPosition = "fixed";
			}else{
				this.headerPosition = "absolute";
			}
		},
		//下拉刷新
		onPullDownRefresh(){
			this.loadData('refresh');
		},
		// //加载更多
		// onReachBottom(){
		// 	this.loadData("more");
		// },
		methods: {
			//加载分类
			async loadCateList(fid, sid){
				uni.request({
					// url: 'http://58.42.239.163:88/mall-app/category', //查询产品分类
					data: {
					},
					method: 'POST',
					success: (res) => {
						let response =res.data;
						if (response.code == 200) {
							this.list = response.data;
						} else {
							this.$api.msg(response.message);
						}
					}
				});
			},
			//加载商品 ，带下拉刷新和上滑加载
			/*async loadData(type='add', index) {
				if(index==0){
					uni.request({
						url: 'http://58.42.239.163:88/mall-app/queryProductByCategoryId?productCategoryId='+this.cateId+'&orderBy=product_name&isDesc=desc', //查询产品
						data: {

						},
						method: 'POST',
						success: (res) => {
							let response =res.data;
							if (response.code == 200) {
								this.goodsList = response.data;
								uni.hideLoading()//停止加载动画

								if(type=="refresh"){
									this.$api.msg("刷新成功");

									uni.stopPullDownRefresh();//停止下拉刷新动画
								}
								if(type=="more"){
									this.$api.msg("没有更多了");

								}
							} else {
								this.$api.msg(response.message);
							}
						}
					});
				}else if(index==1){
					uni.request({
						url: 'http://58.42.239.163:88/mall-app/queryProductByCategoryId?productCategoryId='+this.cateId+'&orderBy=product_title&isDesc=desc', //查询产品
						data: {

						},
						method: 'POST',
						success: (res) => {
							let response =res.data;
							if (response.code == 200) {
								this.goodsList = response.data;
								uni.hideLoading()//停止加载动画

								if(type=="refresh"){
									this.$api.msg("刷新成功");

									uni.stopPullDownRefresh();//停止下拉刷新动画
								}
								if(type=="more"){
									this.$api.msg("没有更多了");

								}
							} else {
								this.$api.msg(response.message);
							}
						}
					});
				}else{
					let isDesc = 'asc';
					if(this.priceOrder ==1){
						this.priceOrder = 2;
						isDesc = 'desc'
					}else{
						this.priceOrder = 1;
						isDesc = 'asc';
					}
					uni.request({
						url: 'http://58.42.239.163:88/mall-app/queryProductByCategoryId?productCategoryId='+this.cateId+'&orderBy=product_sale_price&isDesc='+isDesc, //查询产品
						data: {

						},
						method: 'POST',
						success: (res) => {
							let response =res.data;
							if (response.code == 200) {
								this.goodsList = response.data;
								uni.hideLoading()//停止加载动画

								if(type=="refresh"){
									this.$api.msg("刷新成功");

									uni.stopPullDownRefresh();//停止下拉刷新动画
								}
								if(type=="more"){
									this.$api.msg("没有更多了");

								}
							} else {
								this.$api.msg(response.message);
							}
						}
					});
				}
				

			},*/
      async loadData(type='add', index) {
        if(index==0){
          uni.request({
            url: 'http://192.168.8.80:8888/product/goods/list', //查询产品
            data: {

            },
            method: 'POST',
            success: (res) => {
              console.info(res.data.rows)
              let response =res.data;
              if (response.code == 200) {
                this.goodsList = response.rows;
                uni.hideLoading()//停止加载动画

                if(type=="refresh"){
                  this.$api.msg("刷新成功");

                  uni.stopPullDownRefresh();//停止下拉刷新动画
                }
                if(type=="more"){
                  this.$api.msg("没有更多了");

                }
              } else {
                this.$api.msg(response.message);
              }
            }
          });
        }else if(index==1){
          uni.request({
            url: 'http://192.168.8.80:8888/product/goods/listOrderBy?orderByColumn=stock&isAsc=asc', //查询产品
            data: {

            },
            method: 'POST',
            success: (res) => {
              console.info(res.data.rows)
              let response =res.data;
              if (response.code == 200) {
                this.goodsList = response.rows;
                uni.hideLoading()//停止加载动画


                if(type=="refresh"){
                  this.$api.msg("刷新成功");

                  uni.stopPullDownRefresh();//停止下拉刷新动画
                }
                if(type=="more"){
                  this.$api.msg("没有更多了");

                }
              } else {
                this.$api.msg(response.message);
              }
            }
          });
        }else{
          let isDesc = 'asc';
          if(this.priceOrder ==1){
            this.priceOrder = 2;
            isDesc = 'desc'
          }else{
            this.priceOrder = 1;
            isDesc = 'asc';
          }
          uni.request({
            url: 'http://192.168.8.80:8888/product/goods/listOrderBy?orderByColumn=price&isAsc=asc', //查询产品
            data: {

            },
            method: 'POST',
            success: (res) => {

              console.info(res.data.rows)
              let response =res.data;
              if (response.code == 200) {
                this.goodsList = response.rows;
                uni.hideLoading()//停止加载动画

                if(type=="refresh"){
                  this.$api.msg("刷新成功");

                  uni.stopPullDownRefresh();//停止下拉刷新动画
                }
                if(type=="more"){
                  this.$api.msg("没有更多了");

                }
              } else {
                this.$api.msg(response.message);
              }
            }
          });
        }


      },
			//筛选点击
			tabClick(index){
				
				this.filterIndex = index;
				
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				})
				this.loadData('refresh', index);
				uni.showLoading({
					title: '正在加载'
				})
			},
			//显示分类面板
			toggleCateMask(type){
				let timer = type === 'show' ? 10 : 300;
				let	state = type === 'show' ? 1 : 0;
				this.cateMaskState = 2;
				setTimeout(()=>{
					this.cateMaskState = state;
				}, timer)
			},
			//分类点击
			changeCate(item){
				this.cateId = item.categoryId;
				this.toggleCateMask();
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				})
				this.loadData('refresh', 1);
				uni.showLoading({
					title: '正在加载'
				})
			},
			//详情
			navToDetailPage(item){
				//测试数据没有写id，用title代替
				let id = item.id;
				uni.navigateTo({
					url: `/pages/product/detail?id=${id}`
				})
			},
			stopPrevent(){}
		},
	}
</script>

<style lang="scss">
	page, .content{
		background: $page-color-base;
	}
	.content{
		padding-top: 96upx;
	}

	.navbar{
		position: fixed;
		left: 0;
		top: var(--window-top);
		display: flex;
		width: 100%;
		height: 80upx;
		background: #fff;
		box-shadow: 0 2upx 10upx rgba(0,0,0,.06);
		z-index: 10;
		.nav-item{
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 30upx;
			color: $font-color-dark;
			position: relative;
			&.current{
				color: $base-color;
				&:after{
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 120upx;
					height: 0;
					border-bottom: 4upx solid $base-color;
				}
			}
		}
		.p-box{
			display: flex;
			flex-direction: column;
			.yticon{
				display: flex;
				align-items: center;
				justify-content: center;
				width: 30upx;
				height: 14upx;
				line-height: 1;
				margin-left: 4upx;
				font-size: 26upx;
				color: #888;
				&.active{
					color: $base-color;
				}
			}
			.xia{
				transform: scaleY(-1);
			}
		}
		.cate-item{
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			width: 80upx;
			position: relative;
			font-size: 44upx;
			&:after{
				content: '';
				position: absolute;
				left: 0;
				top: 50%;
				transform: translateY(-50%);
				border-left: 1px solid #ddd;
				width: 0;
				height: 36upx;
			}
		}
	}

	/* 分类 */
	.cate-mask{
		position: fixed;
		left: 0;
		top: var(--window-top);
		bottom: 0;
		width: 100%;
		background: rgba(0,0,0,0);
		z-index: 95;
		transition: .3s;
		
		.cate-content{
			width: 630upx;
			height: 100%;
			background: #fff;
			float:right;
			transform: translateX(100%);
			transition: .3s;
		}
		&.none{
			display: none;
		}
		&.show{
			background: rgba(0,0,0,.4);
			
			.cate-content{
				transform: translateX(0);
			}
		}
	}
	.cate-list{
		display: flex;
		flex-direction: column;
		height: 100%;
		.cate-item{
			display: flex;
			align-items: center;
			height: 90upx;
			padding-left: 30upx;
 			font-size: 28upx;
			color: #555;
			position: relative;
		}
		.two{
			height: 64upx;
			color: #303133;
			font-size: 30upx;
			background: #f8f8f8;
		}
		.active{
			color: $base-color;
		}
	}

	/* 商品列表 */
	.goods-list{
		display:flex;
		flex-wrap:wrap;
		padding: 0 30upx;
		background: #fff;
		.goods-item{
			display:flex;
			flex-direction: column;
			width: 48%;
			padding-bottom: 40upx;
			&:nth-child(2n+1){
				margin-right: 4%;
			}
		}
		.image-wrapper{
			width: 100%;
			height: 330upx;
			border-radius: 3px;
			overflow: hidden;
			image{
				width: 100%;
				height: 100%;
				opacity: 1;
			}
		}
		.title{
			font-size: $font-lg;
			color: $font-color-dark;
			line-height: 80upx;
		}
		.price-box{
			display: flex;
			align-items: center;
			justify-content: space-between;
			padding-right: 10upx;
			font-size: 24upx;
			color: $font-color-light;
		}
		.price{
			font-size: $font-lg;
			color: $uni-color-primary;
			line-height: 1;
			&:before{
				content: '￥';
				font-size: 26upx;
			}
		}
	}
	

</style>
